C1111133313331323223313331333133313331323323133112111133121133133322331   >>    C111113331333132322331333133313331333132332313311211113312113313332233   <<    C1111133313331323223313331333133313331323323133112111133121133133322333   >>      C1111133313331323223313331333133313331323323133112111133121133133322332   >>